MIAMI : Oscar Piastri has leapt to the defence of McLaren teammate Lando Norris after the Briton was accused of being "weak" by ex-Formula One world champion Alan Jones. Jones lauded his fellow Australian as a future world champion after Piastri took the championship lead with his third grand prix victory of the season in Saudi Arabia two weekends ago. But Piastri, who is 10 points clear of Norris going into this weekend’s Miami Grand Prix, said: "Everybody is different. For me, the most